# OC Root	2nd	PC	Gene/Definition
OC.20895	Archaea.99219	kcr.1072	kcr:Kcr_1116   Heterodisulfide reductase, subunit A; K03388 heterodisulfide reductase subunit A2 [EC:1.8.7.3 1.8.98.4 1.8.98.5 1.8.98.6]